A Case of Actinomycosis of the Maxillary Sinus Secondary to Foreign Bodies

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  • 上顎洞異物に合併した上顎洞放線菌症例
  • 臨床 上顎洞異物に合併した上顎洞放線菌症例
  • リンショウ ジョウガクドウ イブツ ニ ガッペイ シタ ジョウガクドウ ホウセンキン ショウレイ

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Abstract

We report a case of actinomycosis of the maxillary sinus secondary to foreign bodies. A 49-year-old woman was referred to our hospital for maxillary sinusitis with foreign bodies. A plain x-ray and CT showed evidence of left maxillary sinusitis with linear radiopaque shadows. We therefore performed endoscopic sinus surgery, and fungus-like lesions and foreign bodies were removed from the maxillary sinus. The removed foreign bodies were identified as pieces of the root canal filling agent called gutta-percha point. Histopathological examination revealed the presence of actinomyces. We thought that the foreign bodies were accidentally inserted into the maxillary sinus during dental treatment. The patient had a good postoperative course and has been followed up for 18 months after the surgery. In a patient presenting with radiologic evidence of unilateral paranasal sinusitis, actinomycotic sinusitis as well as fungal sinusitis should be suspected. In most cases of foreign bodies in the maxillary sinus, the foreign body is dental material. It is important to perform a detailed medical examination and to consult a dentist.

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